package com.QiLin.dao;

import com.QiLin.domain.User;
import com.QiLin.domain.letters;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface LetterDao {
    int SendDao(letters letters);
    User SendDaoReceiveUser(@Param("ReceiveUser") String ReceiveUser);
    letters SendDaoHeadline(@Param("Headline") String Headline);
    List<letters> UpdatesDao(@Param("user") String user);
}
